hasta /ˈɑːstə/exclamation 1noun 1/ˈhʌstə/ noun 1forms 2 exclamation1 •(informal) goodbye noun1 •A spear carried by early Roman legionaries.In Table I the hastae of n and m are regularly vertical and of the same height, while in II a and II b they vary in height and are often out of the perpendicular. — 1897 hasta /ˈhʌstə/ noun1 •A hand gesture used to depict the meaning of a songA prudent prayer, and a vigorous dance, with many interwoven leaps and twirls and pirouettes, and hastas all around. — 2009 formshastae · hastas